Home / 38,398,449.76-52,989,865.68-20,994,807.04

Finding the Fourth Proportional to 38,398,449.76, 52,989,865.68 and 20,994,807.04

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Solution

The fourth proportional to 38,398,449.76, 52,989,865.68 and 20,994,807.04 is: 28,972,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398,449.76 : 52,989,865.68 = 20,994,807.04 : x
  2. Step 2: Convert to fraction form
    38,398,449.76/52,989,865.68 = 20,994,807.04/x
  3. Step 3: Cross multiply
    38,398,449.76x = 52,989,865.68 × 20,994,807.04
  4. Step 4: Simplify right side
    38,398,449.76x = 1,112,512,005,027,118.38
  5. Step 5: Solve for x
    x = 1,112,512,005,027,118.38/38,398,449.76
  6. Step 6: Final answer
    x = 28,972,836.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.